Noise and gaseous emissions


The service consists of the certification of noise and gas emissions from personal watercraft, installed propulsion engines or those intended for installation on recreational craft, or recreational craft themselves under Directive 2003/44/EC, according to the different processes for the CE marking of the product, required to place it on the market in the Community.

The procedures for assessing conformity to the requirements of the Directive vary depending on the type of emissions subject to certification and are reflected in the different procedural Modules such as, for example, the internal production control plus tests (Module Aa), the CE type examination (Module B), the unit verification (Module G) or full quality assurance (Module H).


It applies to recreational craft intended for navigation in maritime and inland waters and not for profit sports and recreational purposes; it also applies to pleasure craft used for commercial purposes such as leasing, hiring and training for pleasure craft navigation and support for diving.

Regarding noise emissions, it applies to:

  • recreational craft with stern drive engines without integral exhausts or inboard propulsion engine installations;
  • recreational craft with inboard propulsion or stern drive engines without integral exhausts or which are subject to a major conversion and subsequently placed on the Community market within 5 years following conversion;
  • personal watercraft
  • outboard and inboard stern drive engines with integral exhausts intended for installation on recreational craft.
  • With regard to gas exhaust emissions, it applies to:
  • propulsion engines which are installed or specifically intended for installation on or in recreational craft and personal watercraft.

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